SINTERED METAL FRICTION MATERIAL AND PRODUCTION METHOD FOR SAME
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United States of America
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Mar 13, 2025
app pub date -
Feb 1, 2023
filing date -
Feb 1, 2023
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Abstract
The present invention intends to provide a technique for obtaining a sintered metal friction material with a reduced copper content such that agglomerates can be hardly generated during production, the strength of a compact can be maintained, and wear during use can be suppressed. The present invention provides a sintered metal friction material that is a sintered material of a friction material composition. The friction material composition comprises 42 to 95% by mass of a metal powder for matrix. The metal powder for matrix comprises 20 to 40% by mass of an iron powder based on the mass of the friction material composition and 20 to 40% by mass of a nickel powder based on the mass of the friction material composition. The friction material composition has a copper content of 0.5% by mass or less. The nickel powder comprises a spherical nickel powder and a chained nickel powder.
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